338Rules,
I had an early A-Bolt in .338 that routinely posted honest 3/8" groups. I parted with it because it wasn't CRF
Fascinating. The only rifles I can remember ever having trouble feeding were controlled round feeders. I wouldn't have one.
Rman - They can be a Vexation !
Seriously though, CRF remains a feature that needs to be designed around the cartridge, plus some budget for tuning.
I was spoiled early with a 7x57 Brno.
In todays mass-produced economy, push-feeders make sense.